80858380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1279}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 177408000

約数和(自身を除く): 96549620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 109, 116, 145, 218, 290, 436, 545, 580, 1090, 1279, 2180, 2558, 3161, 5116, 6322, 6395, 12644, 12790, 15805, 25580, 31610, 37091, 63220, 74182, 139411, 148364, 185455, 278822, 370910, 557644, 697055, 741820, 1394110, 2788220, 4042919, 8085838, 16171676, 20214595, 40429190, 80858380]

約数ペア:

[(1, 80858380), (2, 40429190), (4, 20214595), (5, 16171676), (10, 8085838), (20, 4042919), (29, 2788220), (58, 1394110), (109, 741820), (116, 697055), (145, 557644), (218, 370910), (290, 278822), (436, 185455), (545, 148364), (580, 139411), (1090, 74182), (1279, 63220), (2180, 37091), (2558, 31610), (3161, 25580), (5116, 15805), (6322, 12790), (6395, 12644)]